fix tests

Author: SchrodingerZhu

libc/src/sys/statvfs/linux/CMakeLists.txt

@@ -7,7 +7,7 @@ add_header_library(
     libc.src.__support.OSUtil.osutil
     libc.src.__support.common
     libc.src.__support.CPP.optional
-    libc.include.sys.syscall
+    libc.include.sys_syscall
 )
 
 add_entrypoint_object(

libc/test/src/sys/statvfs/linux/fstatvfs_test.cpp

@@ -37,10 +37,6 @@ TEST(LlvmLibcSysStatvfsTest, FstatfsBasic) {
   ASSERT_EQ(buf->f_type, static_cast<decltype(buf->f_type)>(SYSFS_MAGIC));
 }
 
-TEST(LlvmLibcSysStatvfsTest, FstatvfsNullBuffer) {
-  ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(PathFD("/"), nullptr), Fails(EFAULT));
-}
-
 TEST(LlvmLibcSysStatvfsTest, FstatvfsInvalidFD) {
   statvfs buf[1];
   ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(-1, buf), Fails(EBADF));

libc/test/src/sys/statvfs/linux/statvfs_test.cpp

@@ -20,14 +20,9 @@ TEST(LlvmLibcSysStatfsTest, StatfsBasic) {
   statfs buf[1];
   ASSERT_THAT(LIBC_NAMESPACE::statfs("/", buf), Succeeds());
   ASSERT_THAT(LIBC_NAMESPACE::statfs("/proc", buf), Succeeds());
-  ASSERT_EQ(buf->f_type, static_cast<__kernel_long_t>(PROC_SUPER_MAGIC));
+  ASSERT_EQ(buf->f_type, static_cast<decltype(buf->f_type)>(PROC_SUPER_MAGIC));
   ASSERT_THAT(LIBC_NAMESPACE::statfs("/sys", buf), Succeeds());
-  ASSERT_EQ(buf->f_type, static_cast<__kernel_long_t>(SYSFS_MAGIC));
-}
-
-// POSIX API does not specify what happens when buf is NULL
-TEST(LlvmLibcSysStatfsTest, StatfsNullBuffer) {
-  ASSERT_THAT(LIBC_NAMESPACE::statfs("/", nullptr), Fails(EFAULT));
+  ASSERT_EQ(buf->f_type, static_cast<decltype(buf->f_type)>(SYSFS_MAGIC));
 }
 
 TEST(LlvmLibcSysStatfsTest, StatvfsInvalidPath) {